Gum Max Duo™
Just Mobile Gum Max Duo™ is a high performance battery in an aluminium case for smartphones and tablets. A valuable back-up solution for these devices, it has an 11.200 mAh charging capacity. With two built-in USB ports, it can recharge an iPhone and iPad simultaneously. It is also suitable for the following appliances: Samsung Galaxy S4, Nokia Lumia 925, HTC One.